Global and domestic threats have highlighted the need for tighter security across all verticals. One of the technologies that has redefined situational awareness and intrusion detection is thermal imaging.
Once a technology exclusively manufactured for the military operations, thermal cameras today are deployed across hundreds of security applications and continue to see strong demand in existing and emerging commercial markets.
With thermal technology, security personnel can see in complete darkness as well as in light fog, smoke and rain
Technology overview and early adoption
What distinguishes thermal cameras from optical sensors is their ability to produce images based on infrared energy, or heat, rather than light. By measuring the heat signatures of all objects and capturing minute differences between them, thermal cameras produce clear, sharp video despite unfavorable environmental conditions. With thermal technology, security personnel can see in complete darkness as well as in light fog, smoke and rain.
Originally a military developed, commercially qualified technology, the first thermal cameras for military and aircraft use appeared in the 1950s. By the 1960s, the technology had been declassified and the first thermal camera for commercial use was introduced.
However, it wasn’t until the late 1990s - when FLIR Systems introduced a camera with an uncooled thermal detector - when the technology began to see substantial adoption beyond government defense deployments.
Installations at critical infrastructure sites
In the 2000s, industrial companies were some of the first adopters of thermal, using the technology for predictive maintenance to monitor overheating and machine malfunctions. In the years following the September 11 terrorist attacks in 2001, there was an increase in thermal camera installations across critical infrastructure sites. Stricter security requirements drove the deployment of thermal cameras for perimeter protection, especially in the nuclear power sector.
Thermal cameras produce clear video in daylight, low light or no light scenarios and their sharp images result in higher performing analytics
In 2010, the U.S. Nuclear Regulatory Committee released its 73.55 policy, which states nuclear facilities must “provide continuous surveillance, observation and monitoring” as a means to enhance threat detection and deterrence efforts onsite.
Because thermal cameras produce clear video in daylight, low light or no light scenarios and because their sharp images result in higher performing analytics, thermal cameras quickly became the preferred option for nuclear facilities.
Likewise, following the 2013 sniper attack on PG&E Corporation’s Metcalf transmission substation, the Federal Energy Regulation Commission introduced the Critical Infrastructure Protection Standard 014 (CIP-014). The policy requires utilities to identify threats to mission critical assets and implement a security system to mitigate those risks.
This statute also led to more thermal installations in the utility sector as thermal cameras’ long-range capabilities are ideal for detection of approaching targets beyond the fence line. The demand from both industrial and critical infrastructure entities, as well as other factors, helped drive volume production and price reduction for thermal, making the technology more accessible to the commercial security marketplace.
Commercial applications
In recent years, the increasing affordability of thermal cameras along with the introduction of new thermal offerings has opened the door to new commercial applications for the technology. In the past, thermal cameras were designed for applications with enormous perimeters, where the camera needed to detect a human from 700 meters away.
Locations like car dealerships, marinas and construction supply facilities can be protected by precise target detection, thermal analytic cameras providing an early warning to security personnel
Today, there are thermal cameras specifically designed for short- to mid-range applications. Developed for small to medium enterprises, these thermal cameras ensure property size and security funds are no longer barriers to adoption. Lumber yards, recreation fields and sports arenas are some of the commercial applications now able to implement thermal cameras for 24-hour monitoring and intrusion detection.
Affordable thermal cameras with onboard analytics have become attractive options for commercial businesses
Innovation and advancements
Innovation and advancements in the core technology have also spurred growth in thermal camera deployment, providing faster image processing, higher resolution, greater video analytic capabilities and better camera performance.
In particular, affordable thermal cameras with onboard analytics have become attractive options for commercial businesses that need outdoor, wide area protection.
Car dealerships, marinas and construction supply locations all store valuable merchandise and materials outside. Without protection, these assets are vulnerable to vandalism and theft. However, by providing precise target detection, thermal analytic cameras provide an early warning to security personnel so that they can intervene before a crime is committed. By helping to deter just one incident, the thermal solution delivers a clear ROI.
New market opportunities
Not only are there more thermal cameras in use today than ever before, but there are also more thermal sensors being integrated with other multi-sensor systems, driving the adoption of thermal in new markets. For large perimeter surveillance applications, thermal is repeatedly being integrated with radar and drones to expand situational awareness beyond the point of fixed cameras.
Users get immediate, accurate alerts of approaching targets and evidentiary class video for target assessment
In the commercial market, thermal imagers are combined with optical sensors, analytics and LED illuminators into one solution that integrates with central monitoring station platforms. By bringing these technologies together, users get immediate, accurate alerts of approaching targets and evidentiary class video for target assessment.
The result is a lower number of false positives, reducing the total cost of ownership for the solution. These multi-sensor solutions also feature two-way audio capabilities, which enable remote security officers to act as “virtual guards” and speak to intruders in real-time to dissuade them from illegal activity.
The introduction of solutions that integrate all these state-of-the-art technologies under one unit reduces the amount of capital and infrastructure needed for deployment. Consequently, more small businesses and alarm monitoring companies can implement advanced perimeter security technologies like thermal sensors, some for the very first time.
Thermal cameras have gone from military defense devices to widespread commercial security cameras
Multi-sensor thermal solutions
Multi-sensor solutions featuring thermal are quickly gaining traction and opening the door to new business opportunities for the security channel. One of the primary reasons for the strong market interest in these systems is they enable integrators to increase their recurring monthly revenue (RMR).
With intense price competition and eroding margins on CCTV equipment, integrators have to rely on RMR to grow their businesses. Offering remote video monitoring services and virtual guarding technologies is one of the best ways to do so.
Additionally, there is a clear demand for it. Central stations are continually looking for new technologies to offer their customers and businesses are interested in economical alternatives to physical guards.
In conclusion, thermal cameras have gone from military defense devices to widespread commercial security cameras that are a substantial segment of the outdoor security protection market. From nuclear power plants to construction locations, thermal technology is being implemented to secure sites around the globe.

Remember the old adage “The whole is greater than the sum of its parts?” Nowhere is that truism more evident than when you add network video to the current generation of Internet of Things (IoT) solutions. Whether we’re talking about industrial IoT applications, “Smart – X” (city, building, parking etc.) or retail operations, integrating network video into the solution provides value far beyond simple situational awareness.
Optimising sophisticated video technology
When video systems first moved from analogue to digital and then became part of the IoT world, they were primarily used to provide visual validation of sensor-detected events. For instance, if an industrial controller sensed an environmental issue such as a temperature exceeding set threshold maximum limits, the sensor would trigger the management software to notify the operator that this event had occurred. The operator could then pull up the video feed of the closest camera and observe the area remotely. While this application is simple, it shows how video enhances sensor management.
As edge devices, such as sensors and network video become more intelligent, the interactions between systems are growing in sophistication and generating even greater value than each system could provide on its own.
To appreciate how these smart applications are being used to improve overall efficiencies and profitability, let’s delve into three areas where they’re being deployed: intelligent buildings, smart cities, and smart retailing.
By overlaying intelligent operational sensors with intelligent video, it’s now possible to automate lighting levels based on motion detection
Video-based operational analytics
Applying intelligent monitoring to environmental equipment (HVAC) makes it easy for building owners and property managers to determine existing operating costs based on current equipment performance. They can then compare that amount to the cost of upgrades and potential cost savings over time.
Lighting is another significant operating cost within building management. By overlaying intelligent operational sensors with intelligent video (light sensors), it’s now possible to automate lighting levels based on motion detection. Lights can automatically turn on or off, brighten or dimmed, to eliminate wasteful energy consumption. With the addition of occupancy analytics via intelligent video, property managers can determine what caused the motion and learn other operational details such as occupancy counts. Did someone walk through and area causing lighting to turn on or up? Did they dwell in this area? These specifics can help managers efficiently optimise lighting controls and reduce the overall operating cost of the property.
Businesses are also using smart applications to optimise allocation of desk space and conference areas. For instance, intelligent video can determine conference room occupancy (in use, number of people in room, free space even though showing booked) far better than stand-alone motion sensors. When tied to automated room assignment systems, the additional statistics provided by video analytics might suggest room changes based on room size and number of attendees through back-office applications such as Microsoft Outlook.
These examples are just a few of a growing list of available video-based operational analytics currently on the market.
Video analytics in smart cities
Initial forays into smart city technologies such as smart lighting, smart grid, smart parking and so on relied on standalone sensor technologies. Their capabilities were good but limited. Smart Lighting for instance would use basic light detectors to turn street lighting. Smart Parking and traffic systems would use weight sensors to trigger vehicle counts, traffic signal changes or determine if a parking space was in use and paid for. Augmenting these applications with intelligent video and analytics, however, opens up a whole new world of additional details. In Smart Lighting, the video sensor can now trigger a change in lighting based on rules such as vehicular and pedestrian events. Video analytics can yield additional metadata such as vehicle type (commercial versus public use). Smart Parking becomes much more effective when you can begin to provide vehicle detail such as vehicle type or other information based on licence plate recognition. These additional details can help parking lots operate more efficiently and offer value-added services like space reservation and open space location notifications.
Augmenting smart city applications with intelligent video and analytics opens up a whole new world of additional details
Smart Grid offers some less obvious but equally valuable system augmentation capabilities. We often associate Smart Grid with simple automated meter reading but these systems also traverse critical power infrastructure. Solution providers in this arena are now offering heightened asset and perimeter protection via integration of network-based radar detection with video and audio analytics. This strategic mix of technologies can be used to minimise false detection alarms, turn on/off or change lighting levels and point cameras to areas of interest for extremely effective and cost-effective perimeter security.
Network video for retail intelligence
Retailing was one of the earliest adopters of smart device integration with network video and video analytics to support loss prevention and customer safety. They’ve been using video to analyse customer traffic and behaviour in order to improve product placement, increase product sales, as well as cross-sell related items. Adding programmable “Digital Signage” to the mix created new opportunities to display targeted messages based on viewer demographics about additional products and services of potential interest.
Integrating network video with point-of-sale terminals to reconcile cash register receipts, adding heat mapping analytics to study customer foot traffic patterns, measuring check out wait times to increase employee productivity and efficiency as well as improve the customer experience are just some of the ways retailers have applied the principles of IoT to their advantage. Overlay intelligent building controls and you can see the exponential power of integrating intelligent video with other IoT devices and systems.
Retailing was one of the earliest adopters of smart device integration with network video and video analytics to support loss prevention and customer safety
Minimising metadata overload
Smart application integration produces an enormous amount of metadata. Collecting, transporting and synthesising this data into meaningful business intelligence can be daunting. It requires disciplined use of resources from the network infrastructure transporting the data locally to the various cloud technologies (private cloud, hybrid cloud, public cloud) storing and disseminating it securely.
Generally smart sensor data is fairly light weight in terms of actual data transmitted. Adding video elements can significantly increase bit-rate (bandwidth and storage) requirements. This highlights the need for the video to be more intelligent and interactive with the intelligent sensor and edge device technologies so that resources can be used more efficiently. Smart applications let you do that. You can fine tune video rules and optimise transmission based on retention value. You can program the video to sensor triggers or events, transmitting lower frame rate and resolution video for less interesting video and increasing the video settings when higher quality video is more relevant and valuable based on these sensor triggers.
The back-end collectors of sensor metadata are becoming more mainstream and easier to operate. In many sectors, service providers are offering management of this sensor output “As a Service.”
As smart IoT technology continues to mature, the benefits of integration between network video systems and other network solutions will only get better. We’re already seeing greater efficiency in operations as well as higher quantifiable returns on investment through cost savings and more in-depth, usable business intelligence.

Utility security staff have a responsibility to ensure they can identify risks associated with security threats
Protecting North America’s power grid is a thankless job. Day in and day out, the good citizens of the United States and Canada wake up with the assumption that when they get out of bed each morning and flip on the lights, the room will illuminate, the coffee pot will come to life and their mobile phone will have been fully charged. After all, we live in a modern First World society, where we have come to depend on timely and efficient power at our fingertips. In reality, that reliable electricity that we all enjoy has many people working around the clock to ensure its reliability, resiliency and security. Today’s grid operators are inundated with natural and man-made threats. As utilities tackle the monster of the moment, which is the evolving cybersecurity threat, we must not take our eyes off the more primitive threat.
Security threats to US grid
Electricity is perhaps the most vital of the critical infrastructures and key resources that support our society. The mission of the North American Electric Reliability Corporation (NERC) is to ensure the reliability of the North American bulk power system (BPS). While electric utility companies are responsible for administering the day-to-day operations of the electric grid, regulators such as NERC and the Federal Energy Regulatory Commission (FERC) are charged with the overall responsibility of ensuring reliability and security. NERC develops and enforces Reliability Standards, annually assesses seasonal and long?term reliability, monitors the bulk power system through system awareness, operates the Electricity Information Sharing and Analysis Center (E-ISAC) and educates, trains and certifies industry personnel. Normal everyday operations of the system are the responsibility of utility owners and operators.
Currently, the most significant reliability threat to the U.S. grid is associated with squirrels and balloons, and not religiously inspired terrorists
During emergencies, NERC supports industry actions to respond, mitigate and restore the BPS to normal operation by facilitating effective information sharing and communication with and between NERC registered entities, government agencies and the media. This information is not focused on operational decision making; but instead provides utilities data, best practices and mitigation strategies to help recover from crisis. Obviously as a regulatory body, NERC must stay out of emergency response until the utility has best mitigated the threat or reliability issue.
Currently, the most significant reliability threat to the U.S. grid is associated with squirrels and balloons, and not religiously inspired terrorists. However – and more applicable to grid operators – we have recently seen noteworthy interest in disabling or destroying critical infrastructure. Coordinated attacks specifically targeting the grid are rare, but an attack by a disgruntled former employee, ideologically motivated activist, or a criminal stumbling across a “soft target”, could inflict significant damage. With an interconnected grid of over 450,000 miles of high voltage transmission lines (100 kV and higher) and over 55,000 substations (100 kV and larger), the targets of opportunity are endless.
An attack by a disgruntled former employee, ideologically motivated activist, or a criminal stumbling across a “soft target”, could inflict significant damage
Critical infrastructure protection
Critical infrastructure protection is a cyclical process incorporating prevention, detection, mitigation, response and recovery. The key to this protection is the identification of credible threats, which will assist energy companies in assessing risks and potential vulnerabilities (weaknesses) of their facilities. Once a threat has been thoroughly analysed, it is then possible to institute preventative measures to deter, detect and delay an attack. Of course, critical infrastructure protection planning must always include mitigation, response and recovery actions in the event an attacker is successful.
While the security of the grid is a shared responsibility between the government and the private sector, the primary responsibility rests with utility owners and operators. Utility security staff have a responsibility to ensure they are able to receive and act upon criminal intelligence and be prepared to identify risks and vulnerabilities associated with security threats. Any protection programme that is developed must be as efficient and cost-effective as possible, as budgets are limited and ratepayers are sensitive to wasteful spending. Effective security programmes rely on risk management principles and associated tools to establish priorities, allocate budget dollars and harden infrastructure sites. Physical security protection encompasses defensive mechanisms to prevent, deter and detect physical threats of various kinds. Specifically, these measures are undertaken to protect personnel, equipment and property against anticipated threats. Properly conceived and implemented security policies, programmes and technologies are essential to ensure a facility’s resistance to threats while meeting demand, reliability and performance objectives.
Unfortunately, many do not realise the amount of reports, guidelines, standards and assessments that have been developed for use
Electricity industry physical security standards
Significant progress has been made in the electricity industry surrounding the issue of security. Unfortunately, many do not realise the amount of reports, guidelines, standards and assessments that have been developed for use. The industry has gone through multiple iterations of mandatory Critical Infrastructure Protection (CIP) Standards that focus on security protections. The CIP Standards, while not perfect, may be an example for other sectors to immolate. These standards are a minimum baseline for compliance and utilities should not assume that because they have a good compliance programme they are somehow immune from attack. In addition, many electric utilities undergo a sector-wide Grid Security Exercise (GridEx) every two years to hone their skills and provide updates to their security practices and policies. This is in addition to annual exercises mandated by the cyber standards. It is fair to say that the industry has been very responsive to the evolving security threat and the mandatory requirements found within CIP compliance.
As a result of the 2013 California substation attack that destroyed $15 million dollars in infrastructure, industry now has a physical security standard. This standard was created to protect the most critical transmission substations and control centres in North America. While protections vary, many utilities have upgraded their security measures to include concrete or non-scalable perimeters, robust access control, cameras, lighting and armed guards. It is highly likely that we will one day see similar standards put in place to better protect non-nuclear generation facilities, but only time will tell.
Many utilities have upgraded security measures to include concrete perimeters, robust access control, cameras, lighting and armed guards
The piece that the industry continues to struggle with is information sharing and the ability to quickly obtain actionable threat intelligence; an issue which has been combatted head-on through the sharing of security information amongst utility partners. Large utilities with the manpower and resources to address this initiative are changing the security model from reactive to proactive. If you understand your adversary’s tactics, intent, and capabilities, you can develop strategies to combat their attacks and better plan for future threats. Better, more proactive security, can be achieved through information sharing agreements and partnerships with other utilities, regulatory agencies and intelligence partners. Many utilities do not have the dedicated resources to dissect and aggregate this data and are thus unable to react appropriately, or wind up drawing inaccurate conclusions. As a result, the electricity sector is demanding more access to actionable intelligence and threat streams. With this added intelligence, utilities can better pinpoint threats to specific systems and focus efforts on system recovery and restoration. This will undoubtedly drive better, more informed responses to security incidents.
The FBI, DHS and the DOE have made considerable strides in improving information sharing, and giving classified access to intelligence products
Improving information sharing
Over the past few years, the FBI, DHS and the DOE have made considerable strides in improving information sharing and giving classified access to intelligence products such as bulletins, alerts and secret level briefings. These products have been used to mitigate threats, reduce risk and update internal security policies. Additionally, this data flow has enhanced communications between security teams, management and board members by providing authoritative threat warnings. This ultimately drives better investment strategies by more directly connecting security priorities with business risk management priorities. Unfortunately, utilities still see risks in sharing information with federal partners. Recently, the Washington Post released an article with a salacious headline falsely suggesting that the grid was hacked via Russian malware. Even after correcting the story, the question remains: who leaked the information to the Washington Post? Utilities all over the country were witnessing an information sharing failure.
We must assume that at some point in the future a North American utility will suffer from a planned and coordinated attack against electrical infrastructure. Have we looked at credible threats closely enough and did we prepare our people to respond, recover and communicate? As an industry, we will be judged and hard questions will be asked about how seriously we considered the threats and what we did to mitigate future attacks. Success will be determined by how quickly we are able to respond and the swiftness of system recovery. There is no doubt that security is an “all hands” approach by everyone involved.